#include<bits/stdc++.h>
using namespace std;
int n;
int a[100005];
int ans;

int main()
{
	freopen("duel.in","r",stdin);
	freopen("duel.out","w",stdout);
	cin>>n;
	for(int i=1;i<=n;i++)
	{
		int t;
		cin>>t;
		a[t]++;
	}
	for(int i=1;i<=100000;i++)
		ans=max(ans,a[i]);
	cout<<ans<<endl;
	return 0;
}
